A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes:bearing, plain, rod end and bearing, plain, spherical.
36.0 rockwell c nominal outer race member hardness rating, 59.0 rockwell c nominal inner member hardness rating, groove and perforation external outer member lubrication feature, 0.3120 inches minimum and 0.3125 inches maximum bore diameter, 0.3700 inches minimum and 0.3750 inches maximum inner member width